jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authenticated user (with certificate management privileges) via untrusted input to the DNS provider configuration. NOTE: this is not part of any NGINX software shipped by F5.
https://github.com/NginxProxyManager/nginx-proxy-manager/issues/3662
https://github.com/NginxProxyManager/nginx-proxy-manager/compare/v2.11.2...v2.11.3